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Latest Discussions

• Process Screening Chart Options - Show spec limits

  So it looks like this is only available for I-MR and not Xbar-R/S, do I have that correct?  If so does anyone know why?  I can see that spec limits are more valuable when looking at I-MR but its still helpful for xbar charts as well.

  emorris1000

  Discussions |

  Apr 5, 2024 1:59 PM

  4395 views | 8 replies

• Stability Analysis: How do I back calculate release values necessary to support shelf life?

  Hello all,I have recently been working with stability analysis (Degradation) and am running up against a wall with what should be fairly simple (I think). I have a dataset from multiple lots and the data are poolable (valid for common slope, different intercepts).  I am trying to back calculate what release values would need to be to still be within the lower spec limit at X months.  I have the sl...

  ClusterFerret68

  Discussions |

  Apr 3, 2024 4:00 PM

  3862 views | 5 replies

• Shift Ratio or Percentage Change

  Hi Everyone,  I am looking for a function on JMP software that is called shift ratio or percentage change (it is not available with either of these names under statistical index). It is normally used to detect how much the outlier has shifted in case Nelson 2 rule is not met in a control chart. Could you please kindly advice if you used this function on JMP, and if yes, how would I find it?Thank y...

  ZA

  Discussions |

  Apr 3, 2024 9:04 AM

  2815 views | 6 replies

• How to generate capability box plots for multiple process qualities?

  Hi, I have the data table set-up as attached where my end goal is to generate the cpk/ppk values for each grade based on numerous quality (in this case density, roughness and strength) and also generate the process capability box plots.   I am able to generate those in 'process screening' however unable to do the same using process capability platform in the 'analyze' section. I've successfully do...

  CriticalMink262

  Discussions |

  Apr 1, 2024 9:03 AM

  2649 views | 4 replies

• Im trying to write a script (so i can use it for JMP live) to dynamically apply spec limits queryed from another table.

  My code to do this is below. Im not getting errors but its not working. I check the columns and they don't have the spec limits. The log is showing the following:spec_limits = {LSL(lsl), USL(usl), Show Limits(1)}; :Column_Name << Get Data Type() = "Character"; :LSL << Get Data Type() = "Numeric"; "Column:"; column_name = "MST"; "LSL:"; lsl = 9; "USL:"; usl = 12.5; spec_limits = {LSL(lsl), USL(usl)...

  bjbreitling

  Discussions |

  Mar 27, 2024 6:12 AM

  1732 views | 2 replies